Siddha is a treasure of remedies in which various medicinal preparations are widely prepared from Plants, Metal & Minerals, Animals, Marine products. Majority of such formulation are used as internal medicines with negligible ill effect. Sea is the one of the richest natural sources.Marine products obtained from the sea have many therapeutic properties and hence they are used in Siddha since antiquity. Cypraea moneta commonly called as Cowrie( பலகரை)) is found in sea mainly in the Indian and Pacific Oceans. Shells of Cowrie is subjected to Calcination process(புடம்) and made into Parpam. Palakarai Parpam (பலகரை பற்பம்) prepared as per the procedure mentioned in Siddha Formulary of India , Part I is used in the treatment of various ailments like Dysuria(நீர்கட்டு), Skin diseases(குட்டம்)Poison(விடம்),etc.